Cisco Systems ONS 15454 manual 22-42

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Chapter 22 DLPs A500 to A599

DLP- A535 Provision or Modify TARP Operating Parameters

•TARP PDUs Origination—If checked (default), the node performs all TARP origination functions including:

–TID to Network Service Access Point (NSAP) resolution requests (originate TARP Type 1 and Type 2 PDUs)

–NSAP to TID requests (originate Type 5 PDUs)

–TARP address changes (originate Type 4 PDUs)

Note TARP Echo and NSAP to TID is not supported.

•TARP Data Cache—If checked (default), the node maintains a TARP data cache (TDC). The TDC is a database of TID to NSAP pairs created from TARP Type 3 PDUs received by the node and modified by TARP Type 4 PDUs (TID to NSAP updates or corrections). TARP 3 PDUs are responses to Type 1 and Type 2 PDUs. The TDC can also be populated with static entries entered on the TARP > Static TDC tab.

Note This parameter is only used when the TARP PDUs Origination parameter is enabled.

•L2 TARP Data Cache—If checked (default), the TIDs and NSAPs of NEs originating Type 2 requests are added to the TDC before the node propagates the requests to other NEs.

The TARP Data Cache parameter is designed for Intermediate System Level 1/Level 2 nodes that are connected to other Intermediate System Level 1/Level 2 nodes. Enabling the parameter for Intermediate System Level 1 nodes is not recommended.

•LDB—If checked (default), enables the TARP loop detection buffer. The LDB prevents TARP PDUs from being sent more than once on the same subnet.

The LDP parameter is not used if the Node Routing Mode is provisioned to End System or if the TARP PDUs L1 Propagation parameter is not enabled.

•LAN TARP Storm Suppression—If checked (default), enables TARP storm suppression. This function prevents redundant TARP PDUs from being unnecessarily propagated across the LAN network.

•Send Type 4 PDU on Startup—If checked, a TARP Type 4 PDU is originated during the initial ONS 15454 startup. Type 4 PDUs indicate that a TID or NSAP change has occurred at the NE. (The default setting is not enabled.)

•Type 4 PDU Delay—Sets the amount of time that will pass before the Type 4 PDU is generated when Send Type 4 PDU on Startup is enabled. 60 seconds is the default. The range is 0 to 255 seconds.

Note The Send Type 4 PDU on Startup and Type 4 PDU Delay parameters are not used if TARP PDUs Origination is not enabled.

•LDB Entry—Sets the TARP loop detection buffer timer. The LDB buffer time is assigned to each LDB entry for which the TARP sequence number (tar-seq) is zero. The default is 5 minutes. The range is 1 to 10 minutes.

•LDB Flush—Sets the frequency period for flushing the LDB. The default is 5 minutes. The range is 0 to 1440 minutes.

•T1—Sets the amount of time to wait for a response to a Type 1 PDU. Type 1 PDUs seek a specific NE TID within an OSI Level 1 area. The default is 15 seconds. The range is 0 to 3600 seconds.

 

Cisco ONS 15454 Procedure Guide, R7.0

22-42

November 2007

Page 41 Page 43
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Contents DLP-A507 View OC-N PM Parameters 22-122-2 Card ViewClick the Performance Ether Ports Statistics tabs DLP-A509 Provision CE-1000-4 Ethernet PortsClick the Provisioning Ether Ports tabs 22-3DLP-A510 Provision a DS-3 Circuit Source and Destination 22-4DLP-A512 Change Node Access and PM Clearing Privilege 22-5DLP-A513 Provision CE-100T-8 Ethernet Ports 22-622-7 DLP-A514 Provision CE-100T-8 and CE-1000-4 POS Ports Click the Performance POS Ports Statistics tabs22-8 DLP-A517 View Alarm or Event History Click the History Shelf tabs22-9 DLP-A518 Create a New or Cloned Alarm Severity Profile Alarm Profile Editor tabs Figure22-10 Node View Alarm Profile Editor 22-1122-12 22-13 Store Profiles Dialog BoxDLP-A519 Apply Alarm Profiles to Ports Click the Provisioning Alarm Profiles Alarm Behavior tabs22-14 DLP-A520 Delete Alarm Severity Profiles 22-1522-16 Select Node/Profile Combination For Delete Dialog BoxAlarm Filter Dialog Box General Tab 22-17Alarm Filter Dialog Box Conditions Tab 22-18DLP-A522 Suppress Alarm Reporting 22-19DLP-A523 Discontinue Alarm Suppression 22-20DLP-A524 Download an Alarm Severity Profile 22-21Click OK Or Sonet Thresholds subtab22-22 Parameter Description Options 22-23IS-NR 22-2422-25 DLP-A527 Change the OC-N Card ALS Maintenance Settings 22-26Cisco ONS 15454 Reference Manual 22-27DLP-A528 Change the Default Network View Background Map DLP-A529 Delete Ethernet Rmon Alarm Thresholds22-28 DLP-A530 Install the Tie-Down Bar 22-29DLP-A531 Print CTC Data 22-3022-31 Selecting CTC Data For PrintDLP-A532 Export CTC Data 22-3222-33 DLP-A533 Create Ethernet Rmon Alarm Thresholds 22-34Variable Definition 22-3522-36 22-37 22-38 22-39 DLP-A534 Provision OSI Routing Mode 22-40Node view, click the Provisioning OSI Tarp Config tabs DLP-A535 Provision or Modify Tarp Operating Parameters22-41 22-42 Node view, click the Provisioning OSI Tarp Static TDC tabs Click Add Static Entry22-43 DLP-A538 Add a Tarp Manual Adjacency Table Entry Click Delete Static Entry22-44 DLP-A539 Provision OSI Routers 22-45DLP-A541 Enable the OSI Subnet on the LAN Interface DLP-A540 Provision Additional Manual Area Addresses22-46 22-47 DLP-A542 Create an IP-Over-CLNS Tunnel 22-48DLP-A544 Change the OSI Routing Mode DLP-A543 Remove a Tarp Manual Adjacency Table Entry22-49 22-50 Node view, click the Provisioning OSI Routers Subnet tabs DLP-A545 Edit the OSI Router ConfigurationDLP-A546 Edit the OSI Subnetwork Point of Attachment 22-51DLP-A547 Edit an IP-Over-CLNS Tunnel 22-52DLP-A548 Delete an IP-Over-CLNS Tunnel 22-53DLP-A549 View IS-IS Routing Information Base 22-54DLP-A551 Manage the Tarp Data Cache Node view, click the Maintenance OSI ES-IS RIB tabsDLP-A550 View ES-IS Routing Information Base 22-55DLP-A552 Adjust the Java Virtual Memory Heap Size 22-5622-57 22-58 22-59 22-60 22-61 22-62 22-63 Click the Maintenance Protection tabs 22-6422-65 22-66
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ONS 15454 specifications

Cisco Systems ONS 15454 is a versatile optical networking platform designed to enable service providers and enterprises to deploy and manage robust optical networks efficiently. The ONS 15454 serves as a cornerstone in the evolution of transport networks, featuring various technologies that meet the increasing demand for bandwidth and service quality.

One of the standout features of the ONS 15454 is its support for multiple service types, including TDM, Ethernet, and Wavelength Division Multiplexing (WDM). This capability allows service providers to maximize network resources while delivering a wide range of services, from traditional voice to high-speed data and video.

The ONS 15454 leverages Dense Wavelength Division Multiplexing (DWDM) technology, enabling the transmission of multiple data streams over a single optical fiber. This effectively expands the network's capacity without the need for additional infrastructure, a crucial benefit in today's ever-growing data landscape. The system supports a variety of transponder modules, allowing for flexible scaling and seamless upgrades as bandwidth requirements increase.

Scalability is another key characteristic of the ONS 15454. With its modular architecture, it accommodates a range of interfaces and line cards, making it easier to tailor deployments to specific customer needs. This modularity not only facilitates upgrades but also simplifies maintenance, minimizing downtime and operational costs.

The platform also features advanced management capabilities through Cisco's Optical Network Management system. This allows for real-time monitoring, provisioning, and troubleshooting, ensuring network reliability and performance. The intuitive interface and comprehensive reporting tools enable operators to gain insights into network operations, improving decision-making processes.

Furthermore, the ONS 15454 is built to support optical layer protection features, enhancing network resilience. Technologies such as Automatic Protection Switching (APS) and Optical Supervisory Channel (OSC) ensure that connectivity is maintained even in the event of a failure, crucial for mission-critical applications.

In conclusion, the Cisco ONS 15454 is a powerful optical networking solution that combines flexibility, scalability, and advanced management features. Its support for various services and technologies positions it as an essential asset for organizations looking to build a future-proof network capable of handling increasing data traffic while maintaining high service standards.
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